Write y = kx for a steady rate

Answer Key - Grade 7 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

1. Read this first

   Use the table

   cups of flour	cups of sugar
   3	2
   6	4
   9	6

2. 1.

   Bo bakes cookies with flour and sugar. The table shows cups. Let f be flour and c be sugar. What number goes in the blank of c = 2/3 × f?

3. 2.

   Jun's printer prints at a steady speed. The table shows minutes and pages. Let x be minutes and y be pages. What number goes in the blank of y = 3 × x?

4. 3.

   Ari packs apples into bags. The table shows bags and apples. Let x be bags and y be apples. What number goes in the blank of y = 1 1/2 × x?

5. 4.

   Bo's recipe uses 3 cups of flour for each batch. Let x be batches and y be cups of flour. Which equation matches?

   • x = 3y
   • y = 3x
   • y = x + 3
6. 5.

   Zee's hose fills 4 gallons each minute. Let u be minutes and g be gallons. Which equation matches?

   • g = 4u
   • u = 4g
   • g = u + 4
7. 6.

   Ren's printer prints 6 pages each minute. Let x be minutes and y be pages. What equation gives y for any x?

   y = 6x

8. Use the table

   hours	miles
   2	8
   3	12
   5	20

9. 7.

   Tala hikes at a steady pace. The table shows hours and miles. Let h be hours and d be miles. What equation gives d for any h?

   d = 4h
10. 8.

    Milo puts stickers in party bags. The table shows bags and stickers. Let x be bags and y be stickers. What equation gives y for any x?

    y = 5x
11. 9.

    Luz's garden circle runs at a steady rate. The table shows minutes and gallons. Let u be minutes and g be gallons. What equation gives g for any u?

    g = 6u
12. 10.

    Zee's bean plant grows at a steady rate. The table shows weeks and inches. Let x be weeks and y be inches. What equation gives y for any x?

    y = 3x